Automatic population of NSTableView with custom columns at launch time
Automatic population of NSTableView with custom columns at launch time
- Subject: Automatic population of NSTableView with custom columns at launch time
- From: Rick Hoge <email@hidden>
- Date: Mon, 4 Aug 2008 17:03:52 -0400
I'm working on an application that will allow users to add columns of
descriptive information to an NSTableView - the available columns are
determined at launch time by loading a dictionary.
In my test app, I can add columns to my table no problem. Now I am
trying to decide on a robust and efficient way to make sure that the
set of columns chosen by the user, and their geometry, is saved when
quitting the app and restored at the next launch.
I can think of a number of brute force ways to do it - save an array
of column identifiers and/or value bindings to user preferences, for
example.
I know it's possible to autosave column layout information under
Leopard through the framework, and this appears to work. The autosave
info appears to restore the geometry of columns defined in the nib
file, but it won't force a reload of columns created programatically
in the last session. I suspect that the autosave file may actually
contain the identifiers of all columns displayed as of the last
application quit, and wonder if there is a way, during nib loading, to
access this list so I can initialize the table.
I don't like having the same information stored multiple places (i.e.
my own NSArray in user prefs replicating info that might be more
complete in the NSTableView autosave file) if I can avoid it, but
can't seem to find a way to get at all the info in this file.
If anyone has some good examples of how this can be done, or some past
experience to share on what works well, I'd be very grateful.
Thanks!
Rick
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